美国西进运动怎么翻译

　　你好,可以这么翻译：
　　The USA Westward Movement, which began in the late 18th century and saw its end around the late 19th and the early 20th century, is a large-scale immigration and colonization movement.
　　The activity captured the land in thewest of the Appalachian mountains in North America and directly lead to the Ameracan industrial revolution to a great extent, whearas it also destroyed the local residence state.
　　But at a deeper level, the Westward Movement not only promoted the primitive accumulation process of capital during the development of American capitalism , but also greatly accelerated a wide exploiting of the western United Statest and the rapid development of the economy, which virtually promoted the formation of American national amalgamation.
　　Overall, the movement had significantly influence the America's economic, political, and the formation of American national spirit.
　　希望可以帮助到你.

那是美国的蛮荒时代.誓死保卫家园的印第安人,一望无际的沙漠戈壁,横行州郡的牛仔匪帮.
最大的困难就是秩序的缺失,叫天天不应,喊地地不灵,万事只能靠自己.
美国历史上的西进运动是残酷的,但也是悲壮的.没有那场赤地千里的开疆拓土,就没有后来美国的强盛.